I need new shoes for track (sprinting)?

Your right about puma not having any support find a pair that looks good and that you feel comfortable in. Don't get shoes that are flat, that makes your feet hurt. Find a pair with support. Nike SHOX are stylish and good for running, but they're not that lightweight so you have to make that call. But you can always get sneakers with support with the little spikes at the bottom they are great for running and are lightweight, but they might not have good support, so then again your call. Good Luck!